What joint width is this sealing tape suitable for?

This 20x40 mm tape is suitable for joint widths from 7 to 12 mm for a driving rain-tight seal.

What are the exact dimensions of this roll?

The tape has a width of 20 mm, an expanded thickness of 40 mm, and a roll length of 4.3 m.

Is this joint sealing tape self-adhesive?

Yes, it features a self-adhesive layer on one side for easy positioning during installation.

Is Zwaluw Compress Band BG1 weather- and driving rain-resistant?

Yes, the impregnated foam is durable against weather exposure and resistant to driving rain up to 600 Pa.

What are the primary applications for this BG1 tape?

It is designed to seal connection and expansion joints in window installations, masonry, wood, and concrete structures.

ZWALUW DEN BRAVEN Compress Band BG1 joint sealing tape anthracite 8-15mm 40mm x 4m - 30880204

Name: ZWALUW DEN BRAVEN Compress Band BG1 joint sealing tape anthracite 8-15mm 40mm x 4m - 30880204
Brand: ZWALUW
SKU: 08076804
Price: 9.22 EUR
Availability: PreOrder

Supplier number: ZWALUW 30880204 | EAN 8711595014762

9.22 tax incl.

€7.62 excl. VAT (incl. all environmental contributions)

On order: delivered from 28/10/2026

roll

The minimum purchase order quantity for the product is 15.

Ordered before 20:00 - delivered as of 28/10/2026
Free shipping
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Reliable weather sealing for exterior joints

Practical benefits

Superior driving rain resistance: You protect building connections against harsh weather using the high-performance Zwaluw Compress Band BG1 for durable moisture protection.
Thermal and acoustic insulation: The impregnated expanding foam helps prevent heat loss while absorbing airborne noise across structural and window connection joints.
Fast and clean positioning: Thanks to the self-adhesive backing, you position the tape accurately before it expands evenly to fill the joint space.

In a nutshell

The right choise for

With the Zwaluw Compress Band BG1, you seal facades, window perimeters, and expansion joints against driving rain up to 600 Pa. This pre-compressed 20x40 mm sealing tape on a 4.3 m roll is suitable for joint widths from 7 to 12 mm. The self-adhesive backing allows fast and precise placement on wood, concrete, or masonry, after which the impregnated foam slowly expands to fill the entire cavity. It accommodates structural movement while delivering effective thermal and acoustic insulation. Protect building joints from drafts and moisture without messy liquid sealants.

Product information FAQ

€9.22

tax incl.

Key features according to our expert

Width: 20 mm
Roll length: 4,3 m
Material: PE
Thickness: 40 mm

Product Description:

Zwaluw Compress Band BG1 is an impregnated pre-compressed polyurethane foam joint sealing tape with soft foam with acrylate dispersion impregnation, accessory agents and filling agents. Zwaluw Compress Band BG1 is a one sided adhesive. After application the pre-compressed tape will expand slowly to fill the joint. At a compression of at least 30% of the maximum width the impregnated foam is watertight against driving rain up to 600 Pa.

Advantages

Resistant to driving rain > 600 Pa
Joint sound insulation RST, W max. 59 dB
For heavy-duty primary and cross joints
Thermal conductivity Lambda=0.0429 W/mK
Building materials class B1
Weather resistant in the long term

Application:

Zwaluw Compress Band BG1 can be put to universal use for the sealing of joints in structural engineering. The preferred areas of use are window construction, wood construction, prefabricated construction and masonry, framework construction and concrete construction. Zwaluw Compress Band BG1 provides advantages when it comes to sealing connection joints and expansion joints between various building components, and when sealing foils in roof extensions, so they are windproof. Zwaluw Compress Band BG1 is specifically used in interior work for sealing connection joints due to its good sound insulation values. Zwaluw Compress Band BG1 on the roll can be universally used, and also be inserted in existing joints due to the pre-compression. Zwaluw Compress Band BG1 can be used in airtight or passive house details in combination with Zwaluw Compress Band 2D or Zwaluw Window Foil Interior.

Characteristics

Shelf life
- In unopened original packaging between +5°C and +25°C, shelflife up to 18 months from date of production, stored in a dry place.

All Features

Width: 20 mm
Roll length: 4,3 m
Material: PE
Thickness: 40 mm
Content: 15 st
Colour: Anthracite
Length: 4 m
Packaging: Role
Bandwidth/point depth: 40 mm

Brand ZWALUW
08076804
EAN 8711595014762
Supplier number ZWALUW 30880204

Frequently asked questions about this product

Answered by specialists

What joint width is this sealing tape suitable for?: This 20x40 mm tape is suitable for joint widths from 7 to 12 mm for a driving rain-tight seal.
What are the exact dimensions of this roll?: The tape has a width of 20 mm, an expanded thickness of 40 mm, and a roll length of 4.3 m.
Is this joint sealing tape self-adhesive?: Yes, it features a self-adhesive layer on one side for easy positioning during installation.
Is Zwaluw Compress Band BG1 weather- and driving rain-resistant?: Yes, the impregnated foam is durable against weather exposure and resistant to driving rain up to 600 Pa.
What are the primary applications for this BG1 tape?: It is designed to seal connection and expansion joints in window installations, masonry, wood, and concrete structures.